CSS LLC/IL's ownership history for BIIB

CSS LLC/IL currently holds 2.7K shares with a market value of $498.7K. It started holding BIIB on 2025-03-31. At its peak, it held 7.8K shares on 2025-09-30. Its highest holding value was $1.1M on 2025-09-30. At its lowest, it held 2.7K shares on 2026-03-31, with a value of $498.7K on 2026-03-31. In the recent 180 days, CSS LLC/IL has decreased its shares by 5.0K. In the recent year, CSS LLC/IL has decreased its shares by 1.0K.